diff --git a/README.md b/README.md
index 854bdfd9cd2730d766a44e732ddcda0e2c010d7b..3f0f4353b9bd4c83381a3a5a6c23da62a3eab04e 100644
--- a/README.md
+++ b/README.md
@@ -1,92 +1,7 @@
-# Go-mazon
+# gomazon
+ADD Product
+curl -H "Content-Type: application/json" -d '{"description":"test","gesamtrating":4.0,"preis":2.38}' localhost:8080/product/new
-
-## Getting started
-
-To make it easy for you to get started with GitLab, here's a list of recommended next steps.
-
-Already a pro? Just edit this README.md and make it your own. Want to make it easy? [Use the template at the bottom](#editing-this-readme)!
-
-## Add your files
-
-- [ ] [Create](https://docs.gitlab.com/ee/user/project/repository/web_editor.html#create-a-file) or [upload](https://docs.gitlab.com/ee/user/project/repository/web_editor.html#upload-a-file) files
-- [ ] [Add files using the command line](https://docs.gitlab.com/ee/gitlab-basics/add-file.html#add-a-file-using-the-command-line) or push an existing Git repository with the following command:
-
-```
-cd existing_repo
-git remote add origin https://gitlab.reutlingen-university.de/albrecht/go-mazon.git
-git branch -M main
-git push -uf origin main
-```
-
-## Integrate with your tools
-
-- [ ] [Set up project integrations](https://gitlab.reutlingen-university.de/albrecht/go-mazon/-/settings/integrations)
-
-## Collaborate with your team
-
-- [ ] [Invite team members and collaborators](https://docs.gitlab.com/ee/user/project/members/)
-- [ ] [Create a new merge request](https://docs.gitlab.com/ee/user/project/merge_requests/creating_merge_requests.html)
-- [ ] [Automatically close issues from merge requests](https://docs.gitlab.com/ee/user/project/issues/managing_issues.html#closing-issues-automatically)
-- [ ] [Enable merge request approvals](https://docs.gitlab.com/ee/user/project/merge_requests/approvals/)
-- [ ] [Set auto-merge](https://docs.gitlab.com/ee/user/project/merge_requests/merge_when_pipeline_succeeds.html)
-
-## Test and Deploy
-
-Use the built-in continuous integration in GitLab.
-
-- [ ] [Get started with GitLab CI/CD](https://docs.gitlab.com/ee/ci/quick_start/index.html)
-- [ ] [Analyze your code for known vulnerabilities with Static Application Security Testing(SAST)](https://docs.gitlab.com/ee/user/application_security/sast/)
-- [ ] [Deploy to Kubernetes, Amazon EC2, or Amazon ECS using Auto Deploy](https://docs.gitlab.com/ee/topics/autodevops/requirements.html)
-- [ ] [Use pull-based deployments for improved Kubernetes management](https://docs.gitlab.com/ee/user/clusters/agent/)
-- [ ] [Set up protected environments](https://docs.gitlab.com/ee/ci/environments/protected_environments.html)
-
-***
-
-# Editing this README
-
-When you're ready to make this README your own, just edit this file and use the handy template below (or feel free to structure it however you want - this is just a starting point!). Thank you to [makeareadme.com](https://www.makeareadme.com/) for this template.
-
-## Suggestions for a good README
-Every project is different, so consider which of these sections apply to yours. The sections used in the template are suggestions for most open source projects. Also keep in mind that while a README can be too long and detailed, too long is better than too short. If you think your README is too long, consider utilizing another form of documentation rather than cutting out information.
-
-## Name
-Choose a self-explaining name for your project.
-
-## Description
-Let people know what your project can do specifically. Provide context and add a link to any reference visitors might be unfamiliar with. A list of Features or a Background subsection can also be added here. If there are alternatives to your project, this is a good place to list differentiating factors.
-
-## Badges
-On some READMEs, you may see small images that convey metadata, such as whether or not all the tests are passing for the project. You can use Shields to add some to your README. Many services also have instructions for adding a badge.
-
-## Visuals
-Depending on what you are making, it can be a good idea to include screenshots or even a video (you'll frequently see GIFs rather than actual videos). Tools like ttygif can help, but check out Asciinema for a more sophisticated method.
-
-## Installation
-Within a particular ecosystem, there may be a common way of installing things, such as using Yarn, NuGet, or Homebrew. However, consider the possibility that whoever is reading your README is a novice and would like more guidance. Listing specific steps helps remove ambiguity and gets people to using your project as quickly as possible. If it only runs in a specific context like a particular programming language version or operating system or has dependencies that have to be installed manually, also add a Requirements subsection.
-
-## Usage
-Use examples liberally, and show the expected output if you can. It's helpful to have inline the smallest example of usage that you can demonstrate, while providing links to more sophisticated examples if they are too long to reasonably include in the README.
-
-## Support
-Tell people where they can go to for help. It can be any combination of an issue tracker, a chat room, an email address, etc.
-
-## Roadmap
-If you have ideas for releases in the future, it is a good idea to list them in the README.
-
-## Contributing
-State if you are open to contributions and what your requirements are for accepting them.
-
-For people who want to make changes to your project, it's helpful to have some documentation on how to get started. Perhaps there is a script that they should run or some environment variables that they need to set. Make these steps explicit. These instructions could also be useful to your future self.
-
-You can also document commands to lint the code or run tests. These steps help to ensure high code quality and reduce the likelihood that the changes inadvertently break something. Having instructions for running tests is especially helpful if it requires external setup, such as starting a Selenium server for testing in a browser.
-
-## Authors and acknowledgment
-Show your appreciation to those who have contributed to the project.
-
-## License
-For open source projects, say how it is licensed.
-
-## Project status
-If you have run out of energy or time for your project, put a note at the top of the README saying that development has slowed down or stopped completely. Someone may choose to fork your project or volunteer to step in as a maintainer or owner, allowing your project to keep going. You can also make an explicit request for maintainers.
+Read Product
+curl localhost:8080/products
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000000000000000000000000000000000000..e4710732d9f73a98ae64a7b599c24106941b9547
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,12 @@
+services:
+ gomazon:
+ build: ./src/gomazon
+ ports:
+ - "8080:8080"
+ environment:
+ - DB_CONNECT=mariadb:3306
+ mariadb:
+ image: mariadb:10.5
+ environment:
+ - MYSQL_ROOT_PASSWORD=root
+ - MYSQL_DATABASE=gomazon
diff --git a/scripts/start-mariadb.sh b/scripts/start-mariadb.sh
new file mode 100644
index 0000000000000000000000000000000000000000..04cba40f2d00d2be473da989dcbb6f47be474fec
--- /dev/null
+++ b/scripts/start-mariadb.sh
@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+docker run -d -p 3306:3306 --name database -e MYSQL_ROOT_PASSWORD=root -e MYSQL_DATABASE=gomazon mariadb:10.5
\ No newline at end of file
diff --git a/scripts/stop-mariadb.sh b/scripts/stop-mariadb.sh
new file mode 100644
index 0000000000000000000000000000000000000000..da085ee5c924515aa600dec763a0b0e1b2d3341c
--- /dev/null
+++ b/scripts/stop-mariadb.sh
@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+docker kill database && docker rm database
\ No newline at end of file
diff --git a/src/gomazon/Dockerfile b/src/gomazon/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..3bcb4ac732c2c04ed55a34bd52b8970516bfb02a
--- /dev/null
+++ b/src/gomazon/Dockerfile
@@ -0,0 +1,9 @@
+FROM golang:1.20-buster
+WORKDIR /go/src/app
+COPY . .
+RUN go mod download
+RUN go install
+RUN chmod +x ./wait-for-it.sh ./docker-entrypoint.sh
+ENTRYPOINT ["./docker-entrypoint.sh"]
+CMD ["gomazon"]
+EXPOSE 8080
diff --git a/src/gomazon/db/db.go b/src/gomazon/db/db.go
new file mode 100644
index 0000000000000000000000000000000000000000..7e5ffeadeb4f8facee45b124cbb2b2ac1c831e41
--- /dev/null
+++ b/src/gomazon/db/db.go
@@ -0,0 +1,41 @@
+package db
+
+import (
+ "fmt"
+ "os"
+
+ log "github.com/sirupsen/logrus"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/model"
+
+ "gorm.io/driver/mysql"
+ "gorm.io/gorm"
+)
+
+var DB *gorm.DB
+
+func init() {
+ dsn := fmt.Sprintf("root:root@tcp(%s)/gomazon?charset=utf8&parseTime=True&loc=Local", os.Getenv("DB_CONNECT"))
+ log.Info("UsingDSN for DB:", dsn)
+ var err error
+ DB, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
+ if err != nil {
+ panic("failed to connect to database")
+ }
+ log.Info("Starting automatic migrations")
+ if err := DB.Debug().AutoMigrate(&model.BankAccount{}); err != nil {
+ panic(err)
+ }
+ if err := DB.Debug().AutoMigrate(&model.Produkt{}); err != nil {
+ panic(err)
+ }
+ if err := DB.Debug().AutoMigrate(&model.Warenkorb{}); err != nil {
+ panic(err)
+ }
+ if err := DB.Debug().AutoMigrate(&model.Bewertung{}); err != nil {
+ panic(err)
+ }
+ if err := DB.Debug().AutoMigrate(&model.Position{}); err != nil {
+ panic(err)
+ }
+ log.Info("Automatic migrations finished")
+}
diff --git a/src/gomazon/docker-entrypoint.sh b/src/gomazon/docker-entrypoint.sh
new file mode 100644
index 0000000000000000000000000000000000000000..61d5a492657d08a67598f2edc2ce67b8ea420811
--- /dev/null
+++ b/src/gomazon/docker-entrypoint.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -e
+
+# Wait for DB
+if [ -n "$DB_CONNECT" ]; then
+ /go/src/app/wait-for-it.sh "$DB_CONNECT" -t 40
+fi
+
+# Run the main container command.
+exec "$@"
diff --git a/src/gomazon/go.mod b/src/gomazon/go.mod
new file mode 100644
index 0000000000000000000000000000000000000000..e80468d1c231161f57d90701688d687f11c3a9f1
--- /dev/null
+++ b/src/gomazon/go.mod
@@ -0,0 +1,41 @@
+module gitlab.reutlingen-university.de/albrecht/gomazon
+
+go 1.20
+
+require (
+ github.com/dgrijalva/jwt-go v3.2.0+incompatible
+ github.com/gin-gonic/gin v1.9.1
+ github.com/sirupsen/logrus v1.9.3
+ gorm.io/driver/mysql v1.5.1
+ gorm.io/gorm v1.25.2
+)
+
+require (
+ github.com/bytedance/sonic v1.9.2 // indirect
+ github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+ github.com/gabriel-vasile/mimetype v1.4.2 // indirect
+ github.com/gin-contrib/sse v0.1.0 // indirect
+ github.com/go-playground/locales v0.14.1 // indirect
+ github.com/go-playground/universal-translator v0.18.1 // indirect
+ github.com/go-playground/validator/v10 v10.14.1 // indirect
+ github.com/go-sql-driver/mysql v1.7.1 // indirect
+ github.com/goccy/go-json v0.10.2 // indirect
+ github.com/jinzhu/inflection v1.0.0 // indirect
+ github.com/jinzhu/now v1.1.5 // indirect
+ github.com/json-iterator/go v1.1.12 // indirect
+ github.com/klauspost/cpuid/v2 v2.2.5 // indirect
+ github.com/leodido/go-urn v1.2.4 // indirect
+ github.com/mattn/go-isatty v0.0.19 // indirect
+ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+ github.com/modern-go/reflect2 v1.0.2 // indirect
+ github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+ github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+ github.com/ugorji/go/codec v1.2.11 // indirect
+ golang.org/x/arch v0.4.0 // indirect
+ golang.org/x/crypto v0.11.0 // indirect
+ golang.org/x/net v0.12.0 // indirect
+ golang.org/x/sys v0.10.0 // indirect
+ golang.org/x/text v0.11.0 // indirect
+ google.golang.org/protobuf v1.31.0 // indirect
+ gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/src/gomazon/go.sum b/src/gomazon/go.sum
new file mode 100644
index 0000000000000000000000000000000000000000..6125c234c8dc4e4789f1c1d37758e096106ef1be
--- /dev/null
+++ b/src/gomazon/go.sum
@@ -0,0 +1,102 @@
+github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
+github.com/bytedance/sonic v1.9.2 h1:GDaNjuWSGu09guE9Oql0MSTNhNCLlWwO8y/xM5BzcbM=
+github.com/bytedance/sonic v1.9.2/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
+github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
+github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
+github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
+github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
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+github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
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diff --git a/src/gomazon/handler/auth.go b/src/gomazon/handler/auth.go
new file mode 100644
index 0000000000000000000000000000000000000000..aae92cf33d101d18d4fa48dbe9b53241d1cfee06
--- /dev/null
+++ b/src/gomazon/handler/auth.go
@@ -0,0 +1,45 @@
+package handler
+
+import (
+ "net/http"
+ "time"
+
+ "github.com/gin-gonic/gin"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/service"
+)
+
+// Handler-Funktion zum Generieren eines Admin-JWT-Tokens
+func GenerateAdminTokenHandler(c *gin.Context) {
+ // Benutzername und isAdmin aus dem Request-Body erhalten
+ var requestBody struct {
+ Username string `json:"username"`
+ IsAdmin bool `json:"isAdmin"`
+ }
+
+ if err := c.ShouldBindJSON(&requestBody); err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request body"})
+ return
+ }
+
+ // Überprüfen, ob der Benutzername vorhanden ist
+ if requestBody.Username == "" {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid username"})
+ return
+ }
+
+ // Überprüfen, ob isAdmin gesetzt ist
+ if _, ok := interface{}(requestBody.IsAdmin).(bool); !ok {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid isAdmin value"})
+ return
+ }
+
+ // JWT-Token für den Benutzer generieren
+ expiration := time.Now().Add(30 * time.Minute)
+ token, err := service.GenerateAdminJWTToken(requestBody.Username, requestBody.IsAdmin, expiration)
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate admin token"})
+ return
+ }
+
+ c.JSON(http.StatusOK, gin.H{"token": token})
+}
diff --git a/src/gomazon/handler/bank.go b/src/gomazon/handler/bank.go
new file mode 100644
index 0000000000000000000000000000000000000000..4bd898ae8c0311f1eecf5e41ea6602367c23fa8b
--- /dev/null
+++ b/src/gomazon/handler/bank.go
@@ -0,0 +1,62 @@
+package handler
+
+import (
+ "net/http"
+
+ "github.com/gin-gonic/gin"
+ log "github.com/sirupsen/logrus"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/model"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/service"
+)
+
+type BankAccountHandler struct {
+ BankAccountService *service.BankAccountService
+}
+
+// Bankkonto erstellen
+func (h *BankAccountHandler) CreateBankAccount(c *gin.Context) {
+ tokenString := c.GetHeader("Authorization")
+ username, _, err := service.ExtractTokenData(tokenString)
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+
+ var bankAccount model.BankAccount
+ if err := c.ShouldBindJSON(&bankAccount); err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ return
+ }
+ bankAccount.Username = username
+
+ createdAccount, err := h.BankAccountService.CreateBankAccount(bankAccount)
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusCreated, createdAccount)
+}
+func (h *BankAccountHandler) UpdateBankAccount(c *gin.Context) {
+ tokenString := c.GetHeader("Authorization")
+ username, _, err := service.ExtractTokenData(tokenString)
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+
+ var withdrawalData struct {
+ Amount float64 `json:"amount" binding:"required"`
+ }
+
+ if err := c.ShouldBindJSON(&withdrawalData); err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ return
+ }
+
+ updatedAccount, err := h.BankAccountService.UpdateBankAccount(username, withdrawalData.Amount)
+ if err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, updatedAccount)
+}
diff --git a/src/gomazon/handler/bewertung.go b/src/gomazon/handler/bewertung.go
new file mode 100644
index 0000000000000000000000000000000000000000..89e519590974c08b7cec2eda941a88e7f4759ec0
--- /dev/null
+++ b/src/gomazon/handler/bewertung.go
@@ -0,0 +1,96 @@
+package handler
+
+import (
+ "net/http"
+ "strconv"
+
+ "github.com/gin-gonic/gin"
+ log "github.com/sirupsen/logrus"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/model"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/service"
+)
+
+type BewertungHandler struct {
+ BewertungService *service.BewertungService
+ ProduktService *service.ProduktService
+}
+
+func (h *BewertungHandler) CreateBewertung(c *gin.Context) {
+ tokenString := c.GetHeader("Authorization")
+ username, _, err := service.ExtractTokenData(tokenString)
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+ // Produkt-ID aus dem URL-Parameter extrahieren
+ produktID, err := strconv.Atoi(c.Param("id"))
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ // Bewertungsdaten aus dem Request-Body lesen
+ var bewertung *model.Bewertung
+ if err := c.ShouldBindJSON(&bewertung); err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ return
+ }
+
+ bewertung.Username = username
+
+ // Bewertung erstellen
+ err = h.BewertungService.CreateBewertung(uint(produktID), bewertung)
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, bewertung)
+}
+
+func (h *BewertungHandler) DeleteBewertung(c *gin.Context) {
+
+ // Produkt-ID und Bewertungs-ID aus den URL-Parametern extrahieren
+ bewertungID, err := strconv.Atoi(c.Param("id"))
+ if err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid Bewertung ID"})
+ return
+ }
+
+ bewertung, err := h.ProduktService.GetBewertungByID(uint(bewertungID))
+ if err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid Bewertung ID"})
+ return
+ }
+
+ tokenString := c.GetHeader("Authorization")
+ username, admin, err := service.ExtractTokenData(tokenString)
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+ if admin || (bewertung.Username == username) {
+
+ // Bewertung löschen
+ err = h.BewertungService.DeleteBewertung(uint(bewertungID))
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, gin.H{"message": "Bewertung erfolgreich gelöscht"})
+
+ } else {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "not authorized"})
+ log.Errorf("%v is not the owner (%v)", username, bewertung.Username)
+ return
+ }
+}
+
+func (h *BewertungHandler) ReadBewertungen(c *gin.Context) {
+ produkte, err := h.BewertungService.ProduktService.ReadBewertungen()
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, produkte)
+}
diff --git a/src/gomazon/handler/health.go b/src/gomazon/handler/health.go
new file mode 100644
index 0000000000000000000000000000000000000000..bb62dc721e584bf5bd0959ed81692ba935a289e5
--- /dev/null
+++ b/src/gomazon/handler/health.go
@@ -0,0 +1,11 @@
+package handler
+
+import (
+ "io"
+ "net/http"
+)
+
+func Health(w http.ResponseWriter, r *http.Request) {
+ w.Header().Set("Content-Type", "application/json")
+ io.WriteString(w, `{"alive": true}`)
+}
diff --git a/src/gomazon/handler/produkt.go b/src/gomazon/handler/produkt.go
new file mode 100644
index 0000000000000000000000000000000000000000..2baf38d1d62cdc4a2daa5cca95384e12a47b9a90
--- /dev/null
+++ b/src/gomazon/handler/produkt.go
@@ -0,0 +1,132 @@
+package handler
+
+import (
+ "net/http"
+ "strconv"
+
+ "github.com/gin-gonic/gin"
+ log "github.com/sirupsen/logrus"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/model"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/service"
+)
+
+type ProduktHandler struct {
+ ProduktService *service.ProduktService
+}
+
+func (h *ProduktHandler) CreateProdukt(c *gin.Context) {
+ tokenString := c.GetHeader("Authorization")
+ username, admin, err := service.ExtractTokenData(tokenString)
+ if !admin {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "not authorized"})
+ log.Errorf("%v is not an admin", username)
+ return
+ }
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+
+ var produkt model.Produkt
+
+ // Die Produktinformationen aus dem Request-Body binden
+ if err := c.ShouldBindJSON(&produkt); err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ return
+ }
+ produkt.Gesamtrating = 0.0
+
+ // Das Produkt über den ProduktService erstellen
+ createdProdukt, err := h.ProduktService.CreateProdukt(produkt)
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, createdProdukt)
+}
+
+func (h *ProduktHandler) ReadProdukte(c *gin.Context) {
+ produkte, err := h.ProduktService.ReadProdukte()
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, produkte)
+}
+
+func (h *ProduktHandler) UpdateProdukt(c *gin.Context) {
+ tokenString := c.GetHeader("Authorization")
+ username, admin, err := service.ExtractTokenData(tokenString)
+ if !admin {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "not authorized"})
+ log.Errorf("%v is not an admin", username)
+ return
+ }
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+
+ id, err := strconv.Atoi(c.Param("id"))
+ if err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "Ungültige ID"})
+ return
+ }
+
+ var produkt model.Produkt
+ if err := c.ShouldBindJSON(&produkt); err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ return
+ }
+
+ updatedProdukt, err := h.ProduktService.UpdateProdukt(uint(id), produkt)
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, updatedProdukt)
+}
+
+func (h *ProduktHandler) DeleteProdukt(c *gin.Context) {
+ tokenString := c.GetHeader("Authorization")
+ username, admin, err := service.ExtractTokenData(tokenString)
+ if !admin {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "not authorized"})
+ log.Errorf("%v is not an admin", username)
+ return
+ }
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+
+ id, err := strconv.Atoi(c.Param("id"))
+ if err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "Ungültige ID"})
+ return
+ }
+
+ err = h.ProduktService.DeleteProdukt(uint(id))
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, gin.H{"message": "Produkt erfolgreich gelöscht"})
+}
+
+func (h *ProduktHandler) GetProduktByID(c *gin.Context) {
+ id, err := strconv.Atoi(c.Param("id"))
+ if err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "Ungültige ID"})
+ return
+ }
+
+ produkt, err := h.ProduktService.GetProduktByID(uint(id))
+ if err != nil {
+ c.JSON(http.StatusNotFound, gin.H{"error": "Produkt nicht gefunden"})
+ return
+ }
+
+ c.JSON(http.StatusOK, produkt)
+}
diff --git a/src/gomazon/handler/warenkorb.go b/src/gomazon/handler/warenkorb.go
new file mode 100644
index 0000000000000000000000000000000000000000..80fe48723ee85f3d2d939f885ff71c41683115d7
--- /dev/null
+++ b/src/gomazon/handler/warenkorb.go
@@ -0,0 +1,89 @@
+package handler
+
+import (
+ "net/http"
+ "strconv"
+
+ "github.com/gin-gonic/gin"
+ log "github.com/sirupsen/logrus"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/model"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/service"
+)
+
+type WarenkorbHandler struct {
+ WarenkorbService *service.WarenkorbService
+ BankAccountService *service.BankAccountService
+}
+
+// Warenkorb erstellen
+func (h *WarenkorbHandler) CreateWarenkorb(c *gin.Context) {
+ tokenString := c.GetHeader("Authorization")
+ username, _, err := service.ExtractTokenData(tokenString)
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+
+ var warenkorb model.Warenkorb
+ // if err := c.ShouldBindJSON(&warenkorb); err != nil {
+ // c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ // return
+ // }
+ warenkorb.Username = username
+
+ createdWarenkorb, err := h.WarenkorbService.CreateWarenkorb(warenkorb)
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusCreated, createdWarenkorb)
+}
+
+// Einzelnes Produkt zum Warenkorb hinzufügen
+func (h *WarenkorbHandler) AddProductToWarenkorb(c *gin.Context) {
+ tokenString := c.GetHeader("Authorization")
+ username, _, err := service.ExtractTokenData(tokenString)
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+
+ produktID, err := strconv.Atoi(c.Param("id"))
+ if err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid Product ID"})
+ return
+ }
+
+ var addProductData struct {
+ Menge int `json:"menge" binding:"required"`
+ }
+
+ if err := c.ShouldBindJSON(&addProductData); err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ return
+ }
+
+ updatedWarenkorb, err := h.WarenkorbService.AddProductToWarenkorb(username, uint(produktID), addProductData.Menge)
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, updatedWarenkorb)
+}
+
+// Bezahlfunktion für den Warenkorb
+func (h *WarenkorbHandler) Bezahlen(c *gin.Context) {
+ tokenString := c.GetHeader("Authorization")
+ username, _, err := service.ExtractTokenData(tokenString)
+ if err != nil {
+ log.Errorf(err.Error())
+ }
+
+ err = h.WarenkorbService.Bezahlen(username)
+ if err != nil {
+ c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ return
+ }
+
+ c.JSON(http.StatusOK, gin.H{"message": "Zahlung erfolgreich"})
+}
diff --git a/src/gomazon/main.go b/src/gomazon/main.go
new file mode 100644
index 0000000000000000000000000000000000000000..35f97b9a3a74cfb2fde5ceaa3dbd9af887b392de
--- /dev/null
+++ b/src/gomazon/main.go
@@ -0,0 +1,54 @@
+package main
+
+import (
+ "github.com/gin-gonic/gin"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/handler"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/service"
+)
+
+func main() {
+ router := gin.Default()
+
+ // Service erstellen
+ produktService := &service.ProduktService{}
+ bewertungService := &service.BewertungService{}
+ bankAccountService := &service.BankAccountService{}
+ warenkorbService := &service.WarenkorbService{}
+
+ // Handler erstellen und den Service zuweisen
+ produktHandler := &handler.ProduktHandler{ProduktService: produktService}
+ bewertungHandler := &handler.BewertungHandler{BewertungService: bewertungService}
+ bankAccountHandler := &handler.BankAccountHandler{BankAccountService: bankAccountService}
+ warenkorbHandler := &handler.WarenkorbHandler{WarenkorbService: warenkorbService}
+
+ // Initialer Test, wie Gin funktioniert
+ router.GET("/health", func(c *gin.Context) {
+ handler.Health(c.Writer, c.Request)
+ })
+
+ ////Non-Admin-Funktionen
+ router.GET("/createJWT", handler.GenerateAdminTokenHandler) //generate jwt-token
+
+ //Produkte
+ router.POST("/products", produktHandler.CreateProdukt) //neues Produkt (Admin only)
+ router.PUT("/products/:id", produktHandler.UpdateProdukt) //update Produkt (Admin only)
+ router.DELETE("/products/:id", produktHandler.DeleteProdukt) //Delete Produkt (Admin only)
+ router.GET("/products", produktHandler.ReadProdukte) //alle Produkte
+ router.GET("/products/:id", produktHandler.GetProduktByID) //einzelnes Produkt
+
+ //Bewertung
+ router.POST("/products/:id/rating", bewertungHandler.CreateBewertung) //neue Bewertung
+ router.DELETE("/ratings/:id", bewertungHandler.DeleteBewertung) //Delete Bewertung (Admin only (oder eigene))
+ router.GET("/ratings", bewertungHandler.ReadBewertungen) //alle Bewertungen
+
+ //Bankkonto
+ router.POST("/bankaccounts", bankAccountHandler.CreateBankAccount) // neues Konto
+ router.PUT("/bankaccounts", bankAccountHandler.UpdateBankAccount) // Ãœberweisung
+
+ //Warenkorb
+ router.POST("/warenkorb", warenkorbHandler.CreateWarenkorb) //neuer Warenkorb
+ router.POST("/warenkorb/produkt/:id", warenkorbHandler.AddProductToWarenkorb) //produkt hinzufügen
+ router.POST("/warenkorb/bezahlen", warenkorbHandler.Bezahlen) //bezahlen
+
+ router.Run(":8080")
+}
diff --git a/src/gomazon/model/bank_account.go b/src/gomazon/model/bank_account.go
new file mode 100644
index 0000000000000000000000000000000000000000..0b835e75a464fab8095b0852e570c83fb0cbb0d7
--- /dev/null
+++ b/src/gomazon/model/bank_account.go
@@ -0,0 +1,11 @@
+package model
+
+import "gorm.io/gorm"
+
+type BankAccount struct {
+ gorm.Model
+ Iban string `gorm:"notNull"`
+ BankName string `gorm:"notNull"`
+ Balance float64 `gorm:"notNull"`
+ Username string `gorm:"unique"`
+}
diff --git a/src/gomazon/model/bewertung.go b/src/gomazon/model/bewertung.go
new file mode 100644
index 0000000000000000000000000000000000000000..86c04b4e247a17a63187b6d1dc3c7a652fae9ba5
--- /dev/null
+++ b/src/gomazon/model/bewertung.go
@@ -0,0 +1,11 @@
+package model
+
+import "gorm.io/gorm"
+
+type Bewertung struct {
+ gorm.Model //benötigt, weil Bewertungen auch gelöscht werden sollen
+ Username string `gorm:"notNull"`
+ Inhalt string `gorm:"notNull"`
+ Bewertung int `gorm:"notNull"`
+ ProduktId uint
+}
diff --git a/src/gomazon/model/position.go b/src/gomazon/model/position.go
new file mode 100644
index 0000000000000000000000000000000000000000..c0783834746302dd3f795600b7dad69ab56a6d31
--- /dev/null
+++ b/src/gomazon/model/position.go
@@ -0,0 +1,11 @@
+package model
+
+import "gorm.io/gorm"
+
+type Position struct {
+ gorm.Model
+ Menge int `gorm:"notNull"`
+ ProduktId uint `gorm:"notNull"`
+ Preis float64 `gorm:"notNull"`
+ Gesamtpreis float64 `gorm:"notNull"`
+}
diff --git a/src/gomazon/model/produkt.go b/src/gomazon/model/produkt.go
new file mode 100644
index 0000000000000000000000000000000000000000..7afafc5dc98344984916ff74c3f0c44ef8dea285
--- /dev/null
+++ b/src/gomazon/model/produkt.go
@@ -0,0 +1,12 @@
+package model
+
+import "gorm.io/gorm"
+
+type Produkt struct {
+ gorm.Model
+ Name string `gorm:"notNull"`
+ Description string `gorm:"notNull;size:80"`
+ Gesamtrating float64 `gorm:"notNull;default:0.0"`
+ Preis float64 `gorm:"notNull"`
+ Bewertungen []Bewertung `gorm:"foreignKey:ProduktId;constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+}
diff --git a/src/gomazon/model/warenkorb.go b/src/gomazon/model/warenkorb.go
new file mode 100644
index 0000000000000000000000000000000000000000..86bba4c970944c54802f05bdde62d5ef09e821f1
--- /dev/null
+++ b/src/gomazon/model/warenkorb.go
@@ -0,0 +1,10 @@
+package model
+
+import "gorm.io/gorm"
+
+type Warenkorb struct {
+ gorm.Model
+ Positionen []Position `gorm:"foreignKey:ID;constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+ Gesamtpreis float64 `gorm:"notNull;default:0.0"`
+ Username string `gorm:"unique"`
+}
diff --git a/src/gomazon/service/auth.go b/src/gomazon/service/auth.go
new file mode 100644
index 0000000000000000000000000000000000000000..3087e6e3eff3cb0ea4d70a5c2516236690779bde
--- /dev/null
+++ b/src/gomazon/service/auth.go
@@ -0,0 +1,73 @@
+package service
+
+import (
+ "fmt"
+ "strings"
+ "time"
+
+ "github.com/dgrijalva/jwt-go"
+)
+
+func GenerateAdminJWTToken(username string, isAdmin bool, expiration time.Time) (string, error) {
+ claims := jwt.MapClaims{
+ "username": username,
+ "isAdmin": isAdmin,
+ "exp": expiration.Unix(),
+ }
+
+ token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+
+ // Generiere den Token mit einem geheimen Schlüssel
+ tokenString, err := token.SignedString([]byte("key-replacement"))
+ if err != nil {
+ return "", err
+ }
+
+ return tokenString, nil
+}
+
+// Funktion zum Extrahieren von Informationen aus dem JWT-Token
+func ExtractTokenData(tokenString string) (string, bool, error) {
+ tokenString = strings.TrimPrefix(tokenString, "Bearer ")
+ // Token parsen
+ token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+ // Geheimer Schlüssel für die Token-Validierung
+ return []byte("key-replacement"), nil
+ })
+ if err != nil {
+ return "", false, err
+ }
+
+ // Überprüfen, ob das Token gültig ist
+ if !token.Valid {
+ return "", false, fmt.Errorf("invalid token")
+ }
+
+ if claims, ok := token.Claims.(jwt.MapClaims); ok {
+ expirationTime := time.Unix(int64(claims["exp"].(float64)), 0)
+ if time.Now().After(expirationTime) {
+ return "", false, fmt.Errorf("token has expired")
+ }
+ } else {
+ return "", false, fmt.Errorf("invalid token claims")
+ }
+
+ // Claims aus dem Token extrahieren
+ claims, ok := token.Claims.(jwt.MapClaims)
+ if !ok {
+ return "", false, fmt.Errorf("invalid token claims")
+ }
+
+ // Benutzername und isAdmin aus den Claims erhalten
+ username, ok := claims["username"].(string)
+ if !ok {
+ return "", false, fmt.Errorf("invalid username claim")
+ }
+
+ isAdmin, ok := claims["isAdmin"].(bool)
+ if !ok {
+ return "", false, fmt.Errorf("invalid isAdmin claim")
+ }
+
+ return username, isAdmin, nil
+}
diff --git a/src/gomazon/service/bank.go b/src/gomazon/service/bank.go
new file mode 100644
index 0000000000000000000000000000000000000000..ed028837b36292941d6ebeb4d6b7e6c70b20061e
--- /dev/null
+++ b/src/gomazon/service/bank.go
@@ -0,0 +1,72 @@
+package service
+
+import (
+ "errors"
+ "fmt"
+
+ log "github.com/sirupsen/logrus"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/db"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/model"
+ "gorm.io/gorm"
+)
+
+type BankAccountService struct{}
+
+// Bankkonto erstellen
+func (s *BankAccountService) CreateBankAccount(bankAccount model.BankAccount) (*model.BankAccount, error) {
+ // Überprüfen, ob der Benutzername bereits vorhanden ist
+ existingAccount := &model.BankAccount{}
+ result := db.DB.Where("username = ?", bankAccount.Username).First(existingAccount)
+ if result.Error == nil {
+ return existingAccount, nil
+ } else if !errors.Is(result.Error, gorm.ErrRecordNotFound) {
+ return nil, result.Error
+ }
+
+ // Hier den Code für die Datenbankoperation zum Erstellen des Bankkontos einfügen
+ result = db.DB.Create(&bankAccount)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return &bankAccount, nil
+}
+
+func (s *BankAccountService) UpdateBankAccount(username string, amount float64) (*model.BankAccount, error) {
+ // Bankkonto des Benutzernamens finden
+ bankAccount := &model.BankAccount{}
+ result := db.DB.Where("username = ?", username).First(bankAccount)
+ if result.Error != nil {
+ if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+ log.Errorf("Bankkonto mit Benutzernamen %s nicht gefunden", username)
+ }
+ return nil, result.Error
+ }
+
+ // Überprüfen, ob der Betrag zu einem negativen Kontostand führen würde
+ if amount < 0 && bankAccount.Balance+amount < 0 {
+ log.Error("Abhebungsbetrag übersteigt das Guthaben auf dem Bankkonto")
+ return nil, fmt.Errorf("der Abhebungsbetrag übersteigt das Guthaben auf dem Bankkonto")
+ }
+
+ // Einzahlung oder Abhebung vom Bankkonto durchführen
+ bankAccount.Balance += amount
+
+ // Bankkonto in einer einzelnen Datenbankoperation speichern
+ result = db.DB.Save(bankAccount)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return bankAccount, nil
+}
+
+func (s *BankAccountService) GetBankAccountByUsername(username string) (*model.BankAccount, error) {
+ bankAccount := &model.BankAccount{}
+ result := db.DB.Where("username = ?", username).First(bankAccount)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return bankAccount, nil
+}
diff --git a/src/gomazon/service/bewertung.go b/src/gomazon/service/bewertung.go
new file mode 100644
index 0000000000000000000000000000000000000000..79064e316b89445563434ffa2829b19b94fc33b8
--- /dev/null
+++ b/src/gomazon/service/bewertung.go
@@ -0,0 +1,102 @@
+package service
+
+import (
+ log "github.com/sirupsen/logrus"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/db"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/model"
+)
+
+type BewertungService struct {
+ ProduktService *ProduktService
+}
+
+func (s *BewertungService) CreateBewertung(produktID uint, bewertung *model.Bewertung) error {
+ bewertung.ProduktId = produktID
+
+ result := db.DB.Create(bewertung)
+ if result.Error != nil {
+ return result.Error
+ }
+
+ produkt, err := s.ProduktService.GetProduktByID(produktID)
+ if err != nil {
+ log.Errorf("Error in CreateBewertung: GetProduktByID failed")
+ return nil
+ }
+ err = RecalculateGesamtratingForProdukt(produkt)
+ if err != nil {
+ log.Errorf("Recalculation failed")
+ return nil
+ }
+
+ entry := log.WithField("ID", produktID)
+ entry.Info("Successfully added new rating to a product.")
+ entry.Tracef("Stored: %v", produktID)
+ return nil
+}
+
+func (s *BewertungService) DeleteBewertung(bewertungID uint) error {
+ bewertung, err := s.ProduktService.GetBewertungByID(bewertungID)
+ if err != nil {
+ log.Errorf("failed to get Produkt: %v", err)
+ return nil
+ }
+
+ result := db.DB.Delete(&bewertung)
+ if result.Error != nil {
+ return result.Error
+ }
+
+ return nil
+}
+
+func (s *ProduktService) GetBewertungByID(id uint) (*model.Bewertung, error) {
+ var bewertung model.Bewertung
+
+ result := db.DB.First(&bewertung, id)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return &bewertung, nil
+}
+
+func (s *ProduktService) ReadBewertungen() ([]model.Bewertung, error) {
+ var bewertungen []model.Bewertung
+
+ result := db.DB.Find(&bewertungen)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return bewertungen, nil
+}
+
+func RecalculateGesamtratingForProdukt(produkt *model.Produkt) error {
+ // Gesamtrating zurücksetzen
+ produkt.Gesamtrating = 0.0
+
+ // Bewertungen für das Produkt aus der Datenbank abrufen
+ var bewertungen []model.Bewertung
+ err := db.DB.Where("produkt_id = ?", produkt.ID).Find(&bewertungen).Error
+ if err != nil {
+ return err
+ }
+
+ numRatings := len(bewertungen)
+ if numRatings > 0 {
+ totalRating := 0
+ for _, bewertung := range bewertungen {
+ totalRating += bewertung.Bewertung
+ }
+ produkt.Gesamtrating = float64(totalRating) / float64(numRatings)
+ }
+
+ // Produkt in der Datenbank aktualisieren
+ err = db.DB.Save(produkt).Error
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
diff --git a/src/gomazon/service/produkt.go b/src/gomazon/service/produkt.go
new file mode 100644
index 0000000000000000000000000000000000000000..dc8982eba6607520004b7919c65f9567b05b5d51
--- /dev/null
+++ b/src/gomazon/service/produkt.go
@@ -0,0 +1,72 @@
+package service
+
+import (
+ "gitlab.reutlingen-university.de/albrecht/gomazon/db"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/model"
+)
+
+type ProduktService struct{}
+
+func (s *ProduktService) CreateProdukt(produkt model.Produkt) (*model.Produkt, error) {
+ result := db.DB.Create(&produkt)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return &produkt, nil
+}
+
+func (s *ProduktService) ReadProdukte() ([]model.Produkt, error) {
+ var produkte []model.Produkt
+
+ result := db.DB.Find(&produkte)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return produkte, nil
+}
+
+func (s *ProduktService) UpdateProdukt(id uint, produktChanges model.Produkt) (*model.Produkt, error) {
+ produkt, err := s.GetProduktByID(id)
+ if err != nil {
+ return nil, err
+ }
+
+ produkt.Name = produktChanges.Name
+ produkt.Description = produktChanges.Description
+ produkt.Preis = produktChanges.Preis
+ produkt.Bewertungen = produktChanges.Bewertungen
+
+ result := db.DB.Save(&produkt)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return produkt, nil
+}
+
+func (s *ProduktService) DeleteProdukt(id uint) error {
+ produkt, err := s.GetProduktByID(id)
+ if err != nil {
+ return err
+ }
+
+ result := db.DB.Delete(&produkt)
+ if result.Error != nil {
+ return result.Error
+ }
+
+ return nil
+}
+
+func (s *ProduktService) GetProduktByID(id uint) (*model.Produkt, error) {
+ var produkt model.Produkt
+
+ result := db.DB.First(&produkt, id)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return &produkt, nil
+}
diff --git a/src/gomazon/service/warenkorb.go b/src/gomazon/service/warenkorb.go
new file mode 100644
index 0000000000000000000000000000000000000000..bd341e5ad2c52c584ce2751e3b10e58baef88fe0
--- /dev/null
+++ b/src/gomazon/service/warenkorb.go
@@ -0,0 +1,106 @@
+package service
+
+import (
+ "errors"
+
+ "gitlab.reutlingen-university.de/albrecht/gomazon/db"
+ "gitlab.reutlingen-university.de/albrecht/gomazon/model"
+ "gorm.io/gorm"
+)
+
+type WarenkorbService struct {
+ BankAccountService *BankAccountService
+}
+
+// Warenkorb erstellen
+func (s *WarenkorbService) CreateWarenkorb(warenkorb model.Warenkorb) (*model.Warenkorb, error) {
+ // Überprüfen, ob der Warenkorb für den Benutzernamen bereits vorhanden ist
+ existingWarenkorb := &model.Warenkorb{}
+ result := db.DB.Where("username = ?", warenkorb.Username).First(existingWarenkorb)
+ if result.Error == nil {
+ return existingWarenkorb, nil
+ } else if !errors.Is(result.Error, gorm.ErrRecordNotFound) {
+ return nil, result.Error
+ }
+
+ // Hier den Code für die Datenbankoperation zum Erstellen des Warenkorbs einfügen
+ result = db.DB.Create(&warenkorb)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return &warenkorb, nil
+}
+
+// Einzelnes Produkt zum Warenkorb hinzufügen
+func (s *WarenkorbService) AddProductToWarenkorb(username string, produktID uint, menge int) (*model.Warenkorb, error) {
+ warenkorb := &model.Warenkorb{}
+ result := db.DB.Preload("Positionen").Where("username = ?", username).First(warenkorb)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ produkt := &model.Produkt{}
+ result = db.DB.First(produkt, produktID)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ gesPreis := produkt.Preis * float64(menge)
+
+ position := model.Position{
+ Menge: menge,
+ ProduktId: produkt.ID,
+ Preis: produkt.Preis,
+ Gesamtpreis: gesPreis,
+ }
+
+ warenkorb.Positionen = append(warenkorb.Positionen, position)
+ warenkorb.Gesamtpreis += position.Gesamtpreis
+
+ result = db.DB.Save(warenkorb)
+ if result.Error != nil {
+ return nil, result.Error
+ }
+
+ return warenkorb, nil
+}
+
+// Bezahlfunktion für den Warenkorb
+func (s *WarenkorbService) Bezahlen(username string) error {
+ warenkorb := &model.Warenkorb{}
+ result := db.DB.Preload("Positionen").Where("username = ?", username).First(warenkorb)
+ if result.Error != nil {
+ return result.Error
+ }
+
+ bankAccount, err := s.BankAccountService.GetBankAccountByUsername(username)
+ if err != nil {
+ return err
+ }
+
+ // Überprüfen, ob das Bankkonto ausreichend Guthaben hat
+ if bankAccount.Balance < warenkorb.Gesamtpreis {
+ return errors.New("nicht genügend Guthaben auf dem Bankkonto")
+ }
+
+ // Banküberweisung durchführen
+ _, err = s.BankAccountService.UpdateBankAccount(username, -warenkorb.Gesamtpreis)
+ if err != nil {
+ return err
+ }
+
+ // Einträge im Warenkorb zurücksetzen
+ for i := range warenkorb.Positionen {
+ warenkorb.Positionen[i].Menge = 0
+ }
+
+ warenkorb.Gesamtpreis = 0.0
+
+ result = db.DB.Save(warenkorb)
+ if result.Error != nil {
+ return result.Error
+ }
+
+ return nil
+}
diff --git a/src/gomazon/wait-for-it.sh b/src/gomazon/wait-for-it.sh
new file mode 100644
index 0000000000000000000000000000000000000000..3974640b053e6f84a21c292c01e3674348445831
--- /dev/null
+++ b/src/gomazon/wait-for-it.sh
@@ -0,0 +1,182 @@
+#!/usr/bin/env bash
+# Use this script to test if a given TCP host/port are available
+
+WAITFORIT_cmdname=${0##*/}
+
+echoerr() { if [[ $WAITFORIT_QUIET -ne 1 ]]; then echo "$@" 1>&2; fi }
+
+usage()
+{
+ cat << USAGE >&2
+Usage:
+ $WAITFORIT_cmdname host:port [-s] [-t timeout] [-- command args]
+ -h HOST | --host=HOST Host or IP under test
+ -p PORT | --port=PORT TCP port under test
+ Alternatively, you specify the host and port as host:port
+ -s | --strict Only execute subcommand if the test succeeds
+ -q | --quiet Don't output any status messages
+ -t TIMEOUT | --timeout=TIMEOUT
+ Timeout in seconds, zero for no timeout
+ -- COMMAND ARGS Execute command with args after the test finishes
+USAGE
+ exit 1
+}
+
+wait_for()
+{
+ if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+ echoerr "$WAITFORIT_cmdname: waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+ else
+ echoerr "$WAITFORIT_cmdname: waiting for $WAITFORIT_HOST:$WAITFORIT_PORT without a timeout"
+ fi
+ WAITFORIT_start_ts=$(date +%s)
+ while :
+ do
+ if [[ $WAITFORIT_ISBUSY -eq 1 ]]; then
+ nc -z $WAITFORIT_HOST $WAITFORIT_PORT
+ WAITFORIT_result=$?
+ else
+ (echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1
+ WAITFORIT_result=$?
+ fi
+ if [[ $WAITFORIT_result -eq 0 ]]; then
+ WAITFORIT_end_ts=$(date +%s)
+ echoerr "$WAITFORIT_cmdname: $WAITFORIT_HOST:$WAITFORIT_PORT is available after $((WAITFORIT_end_ts - WAITFORIT_start_ts)) seconds"
+ break
+ fi
+ sleep 1
+ done
+ return $WAITFORIT_result
+}
+
+wait_for_wrapper()
+{
+ # In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692
+ if [[ $WAITFORIT_QUIET -eq 1 ]]; then
+ timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --quiet --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+ else
+ timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+ fi
+ WAITFORIT_PID=$!
+ trap "kill -INT -$WAITFORIT_PID" INT
+ wait $WAITFORIT_PID
+ WAITFORIT_RESULT=$?
+ if [[ $WAITFORIT_RESULT -ne 0 ]]; then
+ echoerr "$WAITFORIT_cmdname: timeout occurred after waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+ fi
+ return $WAITFORIT_RESULT
+}
+
+# process arguments
+while [[ $# -gt 0 ]]
+do
+ case "$1" in
+ *:* )
+ WAITFORIT_hostport=(${1//:/ })
+ WAITFORIT_HOST=${WAITFORIT_hostport[0]}
+ WAITFORIT_PORT=${WAITFORIT_hostport[1]}
+ shift 1
+ ;;
+ --child)
+ WAITFORIT_CHILD=1
+ shift 1
+ ;;
+ -q | --quiet)
+ WAITFORIT_QUIET=1
+ shift 1
+ ;;
+ -s | --strict)
+ WAITFORIT_STRICT=1
+ shift 1
+ ;;
+ -h)
+ WAITFORIT_HOST="$2"
+ if [[ $WAITFORIT_HOST == "" ]]; then break; fi
+ shift 2
+ ;;
+ --host=*)
+ WAITFORIT_HOST="${1#*=}"
+ shift 1
+ ;;
+ -p)
+ WAITFORIT_PORT="$2"
+ if [[ $WAITFORIT_PORT == "" ]]; then break; fi
+ shift 2
+ ;;
+ --port=*)
+ WAITFORIT_PORT="${1#*=}"
+ shift 1
+ ;;
+ -t)
+ WAITFORIT_TIMEOUT="$2"
+ if [[ $WAITFORIT_TIMEOUT == "" ]]; then break; fi
+ shift 2
+ ;;
+ --timeout=*)
+ WAITFORIT_TIMEOUT="${1#*=}"
+ shift 1
+ ;;
+ --)
+ shift
+ WAITFORIT_CLI=("$@")
+ break
+ ;;
+ --help)
+ usage
+ ;;
+ *)
+ echoerr "Unknown argument: $1"
+ usage
+ ;;
+ esac
+done
+
+if [[ "$WAITFORIT_HOST" == "" || "$WAITFORIT_PORT" == "" ]]; then
+ echoerr "Error: you need to provide a host and port to test."
+ usage
+fi
+
+WAITFORIT_TIMEOUT=${WAITFORIT_TIMEOUT:-15}
+WAITFORIT_STRICT=${WAITFORIT_STRICT:-0}
+WAITFORIT_CHILD=${WAITFORIT_CHILD:-0}
+WAITFORIT_QUIET=${WAITFORIT_QUIET:-0}
+
+# Check to see if timeout is from busybox?
+WAITFORIT_TIMEOUT_PATH=$(type -p timeout)
+WAITFORIT_TIMEOUT_PATH=$(realpath $WAITFORIT_TIMEOUT_PATH 2>/dev/null || readlink -f $WAITFORIT_TIMEOUT_PATH)
+
+WAITFORIT_BUSYTIMEFLAG=""
+if [[ $WAITFORIT_TIMEOUT_PATH =~ "busybox" ]]; then
+ WAITFORIT_ISBUSY=1
+ # Check if busybox timeout uses -t flag
+ # (recent Alpine versions don't support -t anymore)
+ if timeout &>/dev/stdout | grep -q -e '-t '; then
+ WAITFORIT_BUSYTIMEFLAG="-t"
+ fi
+else
+ WAITFORIT_ISBUSY=0
+fi
+
+if [[ $WAITFORIT_CHILD -gt 0 ]]; then
+ wait_for
+ WAITFORIT_RESULT=$?
+ exit $WAITFORIT_RESULT
+else
+ if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+ wait_for_wrapper
+ WAITFORIT_RESULT=$?
+ else
+ wait_for
+ WAITFORIT_RESULT=$?
+ fi
+fi
+
+if [[ $WAITFORIT_CLI != "" ]]; then
+ if [[ $WAITFORIT_RESULT -ne 0 && $WAITFORIT_STRICT -eq 1 ]]; then
+ echoerr "$WAITFORIT_cmdname: strict mode, refusing to execute subprocess"
+ exit $WAITFORIT_RESULT
+ fi
+ exec "${WAITFORIT_CLI[@]}"
+else
+ exit $WAITFORIT_RESULT
+fi
\ No newline at end of file